Designing a miniaturized T-shaped non-orthogonal feed input/output dual-mode bandpass filter

Yu Jing Liao, Chia Ching Wu, Chean Cheng Su, Cheng Fu Yang, Shoou Jinn Chang, Chien Jung Huang, Ying Chung Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Dual-mode filters with differently structured resonator were designed on Al2O3 substrate for pattern minimization and better properties. Al2O3 substrate with a permittivity of 9.8 is easily integrated with RF circuits. For the proposed filter, two open stubs, one perturbation patch, and one meandering loop ring were investigated to achieve the same purpose with smaller size. To improve the coupling effect, two additional stubs were used to form the T-shaped microstrip coupling lines. The proposed filter showed a size reduction compared with the published filters, and it also provided deep transmission zeros on both sides of the passband.

Original languageEnglish
Title of host publication2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011
DOIs
Publication statusPublished - 2011 Nov 21
Event2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011 - Istanbul, Turkey
Duration: 2011 Aug 132011 Aug 20

Publication series

Name2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011

Other

Other2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011
CountryTurkey
CityIstanbul
Period11-08-1311-08-20

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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